From a 2 x 4.
Centers Phantom Columns Circulate twice as the Ends Split Circulate twice.
Parallel Lines or Columns end in Columns; T-Bones end in various formations.
Change Your Image is a 2-part call and can be fractionalized into quarters.
To avoid traffic problems, the Ends should sometimes wait
before moving until the Centers have cleared the Center.
Be careful if the caller says Change Your Image 1 & 1/2 or twice.
Re-evaluate Ends and Centers after the first Change Your Image.
From Parallel Lines, Change Your Image is a shape-changer (i.e.,
The call ends in Columns rotated 90° from the starting spots); From Columns,
Change Your Image is not a shape-changer.
Magic Change Your Image [C3BV]:
From a 2 x 4 with the Ends in Generalized Columns.
Centers Phantom Columns Magic Column Circulate twice as
Ends Magic Column Split Circulate twice.